[MenuItem("Assets/Create/Song")] //允許從 unity 中直接建立外掛功能，不重要
public static void CreateNewSongAsset()
{
SonataSongData asset = ScriptableObject.CreateInstance <SonataSongData>();
AssetDatabase.CreateAsset(asset, "Assets/NewSong.asset");
EditorUtility.FocusProjectWindow();
Selection.activeObject = asset;
}
public void SetSong(SonataSongData song)
{
Song = song;
gameObject.GetComponent <AudioSource>().time = 0; //從第幾秒開始播放
gameObject.GetComponent <AudioSource>().clip = Song.BackgroundTrack; //抓歌曲
gameObject.GetComponent <AudioSource>().pitch = 1; //會改變音高，超過1會加速而且變尖銳，小數值會變慢變低音，畫面會回溯很可怕
SmoothAudioTime = MyMath.BeatsToSeconds(-Song.AudioStartBeatOffset, Song.BeatsPerMinute); //開頭播放前的節拍數轉為秒數取負值，功能未知
}
public override void OnInspectorGUI()
{
DrawInspector();
//Check for mouse events
if (Event.current.isMouse)
{
if (Event.current.type == EventType.MouseDown)
{
OnMouseDown(Event.current); //按進度條區域
}
else if (Event.current.type == EventType.MouseUp)
{
OnMouseUp(Event.current); //按主要編輯區域
}
}
//Check for key input events
if (Event.current.isKey)
{
if (Event.current.type == EventType.KeyDown)
{
OnKeyDown(Event.current); //上下左右CTL來操控主要編輯區域
}
}
if (Event.current.type == EventType.ValidateCommand)
{
switch (Event.current.commandName)
{
case "UndoRedoPerformed":
RedrawProgressViewTexture(); //每次新增刪除音符時，進度條同步更新．
break;
}
}
if (GUI.changed)
{
SonataSongData targetData = target as SonataSongData;
if (targetData.BackgroundTrack != null && SonataPlayer.Song != targetData)
{
SonataPlayer.SetSong(targetData); //可以用拖曳的方式新增和變換歌曲
}
}
UpdateMetronome(); //節拍器
RepaintGui();
}
public void SetSong(SonataSongData song)
{
Song = song;
SmoothAudioTime = MyMath.BeatsToSeconds(-Song.AudioStartBeatOffset, Song.BeatsPerMinute); //開頭播放前的節拍數轉為秒數取負值，功能未知
}
